Ball



FIG. 1 is a side view of a ball showing my new design;

FIG. 2 is a side view thereof, rotated 180° clockwise from the ball of FIG. 1;

FIG. 3 is a side view thereof, rotated 45° clockwise from the ball of FIG. 1; and,

FIG. 4 is a bottom view rotated 45° counterclockwise from the ball of FIG. 1. 

The ornamental design for a ball, as shown and described. 